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Goodwill and Intangible Assets (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Apr. 30, 2018
Jul. 31, 2017
Goodwill [Line Items]          
Goodwill $ 64,489 $ 64,489      
Payment for contingent consideration liability 633 433 $ 0    
Remaining contingent consideration resulting in loss 893 568      
Amortization of intangible assets 3,683 3,683      
Huntington Steele, LLC          
Goodwill [Line Items]          
Goodwill       $ 11,499  
Payment for contingent consideration liability 633 $ 433      
Contingent purchase price, current 3,931        
Contingent purchase price, noncurrent $ 8,584        
Archway          
Goodwill [Line Items]          
Goodwill         $ 52,990